JPS5332636A - Ic memory - Google Patents

Ic memory

Info

Publication number
JPS5332636A
JPS5332636A JP10712476A JP10712476A JPS5332636A JP S5332636 A JPS5332636 A JP S5332636A JP 10712476 A JP10712476 A JP 10712476A JP 10712476 A JP10712476 A JP 10712476A JP S5332636 A JPS5332636 A JP S5332636A
Authority
JP
Japan
Prior art keywords
bit
memory
constitution
changeover
enabling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP10712476A
Other languages
Japanese (ja)
Inventor
Junichi Takuri
Tsutomu Yokoi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10712476A priority Critical patent/JPS5332636A/en
Publication of JPS5332636A publication Critical patent/JPS5332636A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C29/00—Checking stores for correct operation ; Subsequent repair; Testing stores during standby or offline operation
    • G11C29/04—Detection or location of defective memory elements, e.g. cell constructio details, timing of test signals
    • G11C29/08—Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C7/00—Arrangements for writing information into, or reading information out from, a digital store
    • G11C7/10—Input/output [I/O] data interface arrangements, e.g. I/O data control circuits, I/O data buffers
    • G11C7/1006—Data managing, e.g. manipulating data before writing or reading out, data bus switches or control circuits therefor

Landscapes

  • Static Random-Access Memory (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

PURPOSE:To test the IC memory with a short time, by enabling the changeover of bit/address constitution to 1-bit X N-bit and n-bit X N/n-bit with the constitution control signal.
JP10712476A 1976-09-07 1976-09-07 Ic memory Pending JPS5332636A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10712476A JPS5332636A (en) 1976-09-07 1976-09-07 Ic memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10712476A JPS5332636A (en) 1976-09-07 1976-09-07 Ic memory

Publications (1)

Publication Number Publication Date
JPS5332636A true JPS5332636A (en) 1978-03-28

Family

ID=14451093

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10712476A Pending JPS5332636A (en) 1976-09-07 1976-09-07 Ic memory

Country Status (1)

Country Link
JP (1) JPS5332636A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60253088A (en) * 1984-05-30 1985-12-13 Mitsubishi Electric Corp Semiconductor storage device
JPS61240500A (en) * 1985-04-18 1986-10-25 Nec Ic Microcomput Syst Ltd Semiconductor memory circuit device
JPS62128098A (en) * 1985-11-29 1987-06-10 Hitachi Ltd Semiconductor memory device
JPS63183698A (en) * 1987-01-23 1988-07-29 Mitsubishi Electric Corp Semiconductor storage device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60253088A (en) * 1984-05-30 1985-12-13 Mitsubishi Electric Corp Semiconductor storage device
JPH0440800B2 (en) * 1984-05-30 1992-07-06 Mitsubishi Electric Corp
JPS61240500A (en) * 1985-04-18 1986-10-25 Nec Ic Microcomput Syst Ltd Semiconductor memory circuit device
JPS62128098A (en) * 1985-11-29 1987-06-10 Hitachi Ltd Semiconductor memory device
JPS63183698A (en) * 1987-01-23 1988-07-29 Mitsubishi Electric Corp Semiconductor storage device
JPH0785355B2 (en) * 1987-01-23 1995-09-13 三菱電機株式会社 Semiconductor memory device

Similar Documents

Publication Publication Date Title
JPS5332636A (en) Ic memory
JPS5332634A (en) Memory
JPS5370754A (en) Pulse signal control circuit
JPS522330A (en) Data processig unit
JPS5394140A (en) Memory integrated circuit
JPS5299031A (en) Three value input detecting circuit
JPS5235535A (en) Semiconductor memory
JPS5354429A (en) Memory device
JPS533049A (en) Logical circuit
JPS5313849A (en) Output circuit
JPS5211831A (en) Memory control unit
JPS52146135A (en) Address selection control system
JPS52149405A (en) Data pulse fetch circuit
JPS52137221A (en) Memory device
JPS5376644A (en) Write circuit
JPS53108740A (en) Memory circuit
JPS5283032A (en) Memory address system
JPS5374846A (en) Memory control circuit
JPS53138250A (en) Output buffer circuit
JPS5370639A (en) 1-bit arithmetic operation circuit
JPS5234600A (en) Time fuse
JPS5384675A (en) Parity forcasting circuit of counter
JPS523349A (en) High velocity serial memory
JPS51148335A (en) Memory circuit
JPS5211830A (en) Memory contpol unit